package day11;

import java.util.Scanner;

public class Main2 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextInt()) { // 注意 while 处理多个 case
            int a = in.nextInt();
            int count = 0;
            int max = 0;
            while(a != 0) {
                if((a & 1) == 1) {
                    count++;
                    max = Math.max(count,max);
                }else {
                    count = 0;
                }
                a >>>= 1;
            }
            System.out.println(max);
        }
    }
}
